vb.net无边框阴影,windows阴影边框
vb.net 无边框窗体的问题
设置窗体的text为空,设置窗体的controlbox属性为false,设置窗体的FormBorderStyle 属性为Sizable,就可以改变窗体大小了,并且可以在任务栏点击。
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Vb.net 无边框窗体如何实现四周阴影? 网上搜到的都是两边阴影的,我需要四周阴影
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里面要使无边框的窗体有阴影该怎么做
调用系统API使窗体下拥有阴影效果
using System.Runtime.InteropServices;
然后再窗口类的随便哪个地方加上:
const int CS_DROPSHADOW = 0x20000;
const int GCL_STYLE = (-26);
//声明Win32 API
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern int SetClassLong(IntPtr hwnd,int nIndex,int dwNewLong);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern int GetClassLong(IntPtr hwnd, int nIndex);
最后在窗体的构造函数中加上:
SetClassLong(this.Handle, GCL_STYLE, GetClassLong(this.Handle, GCL_STYLE) | CS_DROPSHADOW);
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