vb.net如何拖动窗体,vb程序设计窗体移动
VB.net怎么实现运行时鼠标拖动改变控件的大小啊
控件是可以显示在里面的，你只要加个label，把label的属性设为visualble=fause就行。设置鼠标经过头像的mouseHover和mouseLeave事件，当mouseHover时label的属性visualble=true，当mouseLeave时label的属性visualble=fause即可。窗体的鼠标事件可以设置控件的cursor属性，里面可以选择许多种鼠标图形。 只要是正常的Form都可以改变窗体大小，但是无边框的窗体只能用函数改变或者设置属性，在debug后是不能改变的。拖动窗体需要在窗体的load时间里面写入当鼠标单击不放时的事件即可，不难。
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vb.net窗体的移动问题
Public X, Y As Integer
Private Sub Form1_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseDown
X = e.X : Y = e.Y
End Sub
Private Sub Form1_MouseMove(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseMove
If X = e.X And Y = e.Y Then Exit Sub
If e.Button = Windows.Forms.MouseButtons.Left Then
Me.Left = Me.Left + e.X - X
Me.Top = Me.Top + e.Y - Y
End If
End Sub
VB.NET如何实现无边框窗体拖动？ 如果能指定控件拖动更好 希望能有一点分析 使用VS2015
VB6.0写的，代码很简单，无意中写成的。应该可以参考。不需要任何api函数。在无边框窗体顶部中放入一个label标签。然后用label的 mouse down 和mouse move事件实现
Dim a, b As Single
Private Sub Label1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
a = X
b = Y
End Sub
Private Sub Label1_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 1 Then
Form1.Move Left + X - a, Top + Y - b
End If
End Sub
VB.NET怎么能拖动无框窗体？请注意看补充，高手进！
设置全局变量：
Dim drag As Boolean
Dim mousex As Integer
Dim mousey As Integer
假设你想拖动的是Panel1控件，以及此控件上的 Label1（用于显示标题）和PictureBox4（用于显示图标）：
Private Sub TitleMove_MouseDown(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles Panel1.MouseDown, Label1.MouseDown, PictureBox4.MouseDown
drag = True
mousex = Windows.Forms.Cursor.Position.X - Me.Left
mousey = Windows.Forms.Cursor.Position.Y - Me.Top
End Sub
Private Sub TitleMove_MouseMove(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles Panel1.MouseMove, Label1.MouseMove, PictureBox4.MouseMove
If drag Then
Me.Top = Windows.Forms.Cursor.Position.Y - mousey
Me.Left = Windows.Forms.Cursor.Position.X - mousex
End If
End Sub
Private Sub TitleMove_MouseUp(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles Panel1.MouseUp, Label1.MouseUp, PictureBox4.MouseUp
drag = False
End Sub
VB.net怎样按住鼠标移动无边框窗体
1.在mouse事件中实现
2.调用windows API
实现方式为：
1.在mouse事件中实现
[csharp] view plain copy
Point mouseOff;//鼠标移动位置变量
bool leftFlag;//标签是否为左键
private void groupControl1_MouseUp(object sender, MouseEventArgs e)
{
if (leftFlag)
{
leftFlag = false;//释放鼠标后标注为false;
}
}
private void groupControl1_MouseMove(object sender, MouseEventArgs e)
{
if (leftFlag)
{
Point mouseSet = Control.MousePosition;
mouseSet.Offset(mouseOff.X, mouseOff.Y); //设置移动后的位置
Location = mouseSet;
}
}
private void groupControl1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
mouseOff = new Point(-e.X, -e.Y); //得到变量的值
leftFlag = true; //点击左键按下时标注为true;
}
}
private void groupControl1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
mouseOff = new Point(-e.X, -e.Y); //得到变量的值
leftFlag = true; //点击左键按下时标注为true;
}
}
2.调用windows API
调用前需要添加using System.Runtime.InteropServices;
[csharp] view plain copy
[DllImport("user32.dll")]
public static extern bool ReleaseCapture();
[DllImport("user32.dll")]
public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);
private void groupControl1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
ReleaseCapture(); //释放鼠标捕捉
//发送左键点击的消息至该窗体(标题栏)
SendMessage(Handle, 0xA1, 0x02, 0);
}
}
如何移动VB中的无边框窗体
1、无边框窗体也就是无标题栏窗体，对于这样的窗体移动需要编程实现。
2、vb有两种办法实现，一直接编程实现，二调用windows API编程实现。
3、这里示例直接编程实现：
Option Explicit
Dim BolIsMove As Boolean, MousX As Long, MousY As Long
Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 1 Then BolIsMove = True
MousX = X
MousY = Y
End Sub
Private Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
Dim CurrX As Long, CurrY As Long
If BolIsMove Then
CurrX = Me.Left - MousX + X
CurrY = Me.Top - MousY + Y
Me.Move CurrX, CurrY
End If
End Sub
Private Sub Form_MouseUp(Button As Integer, Shift As Integer, X As Single, Y As Single)
BolIsMove = False
End Sub
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