VB.net怎样按住鼠标移动无边框窗体

当用户按下左键时，为按下对象的MouseMove事件绑定处理方法，并记录鼠标坐标（窗体左上角为原点，在事件的MouseEventArgs类型的e参数中提供）。此时用户移动鼠标，保持窗体原点与鼠标新坐标的相对位置不变。当用户释放左键时，撤销按下对象的MouseMove事件处理方法

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vbnet 无边框 拖动

[DllImport("user32.dll")]

public static extern bool ReleaseCapture();

[DllImport("user32.dll")]

public static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);

public const int WM_SYSCOMMAND = 0x0112;

public const int SC_MOVE = 0xF010;

public const int HTCAPTION = 0x0002;

private void LoginFrm_MouseDown(object sender, MouseEventArgs e)

{

ReleaseCapture();

SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);

}

VB的代码我不是很明白

VB.NET 拖动无边框窗体编程实例

Imports System Drawing Imports System Windows Forms ****************************************** Private oOriginalRegion As Region = Nothing 用于窗体移动 Private bFormDragging As Boolean = False Private oPointClicked As Point ****************************************** Private Sub Form _MouseDown(ByVal sender As Object ByVal e As System Windows Forms MouseEventArgs) Handles MyBase MouseDown Me bFormDragging = True Me oPointClicked = New Point(e X e Y) End Sub ****************************************** Private Sub Form _MouseUp(ByVal sender As Object ByVal e As System Windows Forms MouseEventArgs) Handles MyBase MouseUp Me bFormDragging = False End Sub ****************************************** Private Sub Form _MouseMove(ByVal sender As Object ByVal e As System Windows Forms MouseEventArgs) Handles MyBase MouseMove If Me bFormDragging Then Dim oMoveToPoint As Point 以当前鼠标位置为基础 找出目标位置 oMoveToPoint = Me PointToScreen(New Point(e X e Y)) 根据开始位置作出调整 oMoveToPoint Offset(Me oPointClicked X * _ (Me oPointClicked Y + _ SystemInformation CaptionHeight + _ SystemInformation BorderSize Height) * ) 移动窗体 Me Location = oMoveToPoint End If

lishixinzhi/Article/program/ASP/201311/21755

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