Simple as this, add this code to your Form-Class:
#Region " Move Form "
' [ Move Form ]
'
' // By Elektro
Public MoveForm As Boolean
Public MoveForm_MousePosition As Point
Public Sub MoveForm_MouseDown(sender As Object, e As MouseEventArgs) Handles _
MyBase.MouseDown ' Add more handles here (Example: PictureBox1.MouseDown)
If e.Button = MouseButtons.Left Then
MoveForm = True
Me.Cursor = Cursors.NoMove2D
MoveForm_MousePosition = e.Location
End If
End Sub
Public Sub MoveForm_MouseMove(sender As Object, e As MouseEventArgs) Handles _
MyBase.MouseMove ' Add more handles here (Example: PictureBox1.MouseMove)
If MoveForm Then
Me.Location = Me.Location + (e.Location - MoveForm_MousePosition)
End If
End Sub
Public Sub MoveForm_MouseUp(sender As Object, e As MouseEventArgs) Handles _
MyBase.MouseUp ' Add more handles here (Example: PictureBox1.MouseUp)
If e.Button = MouseButtons.Left Then
MoveForm = False
Me.Cursor = Cursors.Default
End If
End Sub
#End Region
Here is an updated version:
' ***********************************************************************
' Author : Elektro
' Modified : 15-March-2015
' ***********************************************************************
' <copyright file="FormDragger.vb" company="Elektro Studios">
' Copyright (c) Elektro Studios. All rights reserved.
' </copyright>
' ***********************************************************************
#Region " Option Statements "
Option Explicit On
Option Strict On
Option Infer Off
#End Region
#Region " Usage Examples "
'Public Class Form1
' ''' <summary>
' ''' The <see cref="FormDragger"/> instance that manages the form(s) dragging.
' ''' </summary>
' Private formDragger As FormDragger = FormDragger.Empty
' Private Sub Test() Handles MyBase.Shown
' Me.InitializeDrag()
' End Sub
' Private Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs) _
' Handles Button1.Click
' Me.AlternateDragEnabled(Me)
' End Sub
' Private Sub InitializeDrag()
' ' 1st way, using the single-Form constructor:
' Me.formDragger = New FormDragger(Me, enabled:=True, cursor:=Cursors.SizeAll)
' ' 2nd way, using the multiple-Forms constructor:
' ' Me.formDragger = New FormDragger({Me, Form2, form3})
' ' 3rd way, using the default constructor then adding a Form into the collection:
' ' Me.formDragger = New FormDragger
' ' Me.formDragger.AddForm(Me, enabled:=True, cursor:=Cursors.SizeAll)
' End Sub
' ''' <summary>
' ''' Alternates the dragging of the specified form.
' ''' </summary>
' ''' <param name="form">The form.</param>
' Private Sub AlternateDragEnabled(ByVal form As Form)
' Dim formInfo As FormDragger.FormDragInfo = Me.formDragger.FindFormDragInfo(form)
' formInfo.Enabled = Not formInfo.Enabled
' End Sub
'End Class
#End Region
#Region " Imports "
Imports System.ComponentModel
#End Region
#Region " Form Dragger "
''' <summary>
''' Enable or disable drag at runtime on a <see cref="Form"/>.
''' </summary>
Public NotInheritable Class FormDragger : Implements IDisposable
#Region " Properties "
''' <summary>
''' Gets an <see cref="IEnumerable(Of Form)"/> collection that contains the Forms capables to perform draggable operations.
''' </summary>
''' <value>The <see cref="IEnumerable(Of Form)"/>.</value>
<EditorBrowsable(EditorBrowsableState.Always)>
Public ReadOnly Property Forms As IEnumerable(Of FormDragInfo)
Get
Return Me.forms1
End Get
End Property
''' <summary>
''' An <see cref="IEnumerable(Of Form)"/> collection that contains the Forms capables to perform draggable operations.
''' </summary>
Private forms1 As IEnumerable(Of FormDragInfo) = {}
''' <summary>
''' Represents a <see cref="FormDragger"/> instance that is <c>Nothing</c>.
''' </summary>
''' <value><c>Nothing</c></value>
<EditorBrowsable(EditorBrowsableState.Always)>
Public Shared ReadOnly Property Empty As FormDragger
Get
Return Nothing
End Get
End Property
#End Region
#Region " Types "
''' <summary>
''' Defines the draggable info of a <see cref="Form"/>.
''' </summary>
<Serializable>
Public NotInheritable Class FormDragInfo
#Region " Properties "
''' <summary>
''' Gets the associated <see cref="Form"/> used to perform draggable operations.
''' </summary>
''' <value>The associated <see cref="Form"/>.</value>
<EditorBrowsable(EditorBrowsableState.Always)>
Public ReadOnly Property Form As Form
Get
Return form1
End Get
End Property
''' <summary>
''' The associated <see cref="Form"/>
''' </summary>
<NonSerialized>
Private ReadOnly form1 As Form
''' <summary>
''' Gets the name of the associated <see cref="Form"/>.
''' </summary>
''' <value>The Form.</value>
<EditorBrowsable(EditorBrowsableState.Always)>
Public ReadOnly Property Name As String
Get
If Me.Form IsNot Nothing Then
Return Form.Name
Else
Return String.Empty
End If
End Get
End Property
''' <summary>
''' Gets or sets a value indicating whether drag is enabled on the associated <see cref="Form"/>.
''' </summary>
''' <value><c>true</c> if drag is enabled; otherwise, <c>false</c>.</value>
<EditorBrowsable(EditorBrowsableState.Always)>
Public Property Enabled As Boolean
''' <summary>
''' A <see cref="FormDragger"/> instance instance containing the draggable information of the associated <see cref="Form"/>.
''' </summary>
''' <value>The draggable information.</value>
<EditorBrowsable(EditorBrowsableState.Never)>
Public Property DragInfo As FormDragger = FormDragger.Empty
''' <summary>
''' Gets or sets the <see cref="Cursor"/> used to drag the associated <see cref="Form"/>.
''' </summary>
''' <value>The <see cref="Cursor"/>.</value>
<EditorBrowsable(EditorBrowsableState.Always)>
Public Property Cursor As Cursor = Cursors.SizeAll
''' <summary>
''' Gets or sets the old form's cursor to restore it after dragging.
''' </summary>
''' <value>The old form's cursor.</value>
<EditorBrowsable(EditorBrowsableState.Never)>
Public Property OldCursor As Cursor = Nothing
''' <summary>
''' Gets or sets the initial mouse coordinates, normally <see cref="Form.MousePosition"/>.
''' </summary>
''' <value>The initial mouse coordinates.</value>
<EditorBrowsable(EditorBrowsableState.Never)>
Public Property InitialMouseCoords As Point = Point.Empty
''' <summary>
''' Gets or sets the initial <see cref="Form"/> location, normally <see cref="Form.Location"/>.
''' </summary>
''' <value>The initial location.</value>
<EditorBrowsable(EditorBrowsableState.Never)>
Public Property InitialLocation As Point = Point.Empty
#End Region
#Region " Constructors "
''' <summary>
''' Initializes a new instance of the <see cref="FormDragInfo"/> class.
''' </summary>
''' <param name="form">The form.</param>
Public Sub New(ByVal form As Form)
Me.form1 = form
Me.Cursor = form.Cursor
End Sub
''' <summary>
''' Prevents a default instance of the <see cref="FormDragInfo"/> class from being created.
''' </summary>
Private Sub New()
End Sub
#End Region
#Region " Hidden Methods "
''' <summary>
''' Serves as a hash function for a particular type.
''' </summary>
<EditorBrowsable(EditorBrowsableState.Never)>
Public Shadows Function GetHashCode() As Integer
Return MyBase.GetHashCode
End Function
''' <summary>
''' Gets the System.Type of the current instance.
''' </summary>
''' <returns>The exact runtime type of the current instance.</returns>
<EditorBrowsable(EditorBrowsableState.Never)>
Public Shadows Function [GetType]() As Type
Return MyBase.GetType
End Function
''' <summary>
''' Determines whether the specified System.Object instances are considered equal.
''' </summary>
<EditorBrowsable(EditorBrowsableState.Never)>
Public Shadows Function Equals(ByVal obj As Object) As Boolean
Return MyBase.Equals(obj)
End Function
''' <summary>
''' Determines whether the specified System.Object instances are the same instance.
''' </summary>
<EditorBrowsable(EditorBrowsableState.Never)>
Private Shadows Sub ReferenceEquals()
End Sub
''' <summary>
''' Returns a String that represents the current object.
''' </summary>
<EditorBrowsable(EditorBrowsableState.Never)>
Public Shadows Function ToString() As String
Return MyBase.ToString
End Function
#End Region
End Class
#End Region
#Region " Constructors "
''' <summary>
''' Initializes a new instance of the <see cref="FormDragger"/> class.
''' </summary>
Public Sub New()
Me.forms1={}
End Sub
''' <summary>
''' Initializes a new instance of the <see cref="FormDragger"/> class.
''' </summary>
''' <param name="form">The <see cref="Form"/> used to perform draggable operations.</param>
''' <param name="enabled">If set to <c>true</c>, enable dragging on the <see cref="Form"/>.</param>
''' <param name="cursor">The <see cref="Cursor"/> used to drag the specified <see cref="Form"/>.</param>
Public Sub New(ByVal form As Form,
Optional enabled As Boolean = False,
Optional cursor As Cursor = Nothing)
Me.forms1 =
{
New FormDragInfo(form) With
{
.Enabled = enabled,
.Cursor = cursor
}
}
Me.AssocHandlers(form)
End Sub
''' <summary>
''' Initializes a new instance of the <see cref="FormDragger"/> class.
''' </summary>
''' <param name="forms">The <
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