设置窗体边框显示隐藏的函数setwindowlong和setwindowpos
这2个函数怎么用 给个例子可以么.
谢谢了 还有各个参数都是神马 谢谢了
这2个函数怎么用 给个例子可以么.
谢谢了 还有各个参数都是神马 谢谢了
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看MSDN
private const int GWL_STYLE = (-16);
public const int WS_CAPTION = 0xC00000;
SetWindowLong(this.Handle, GWL_STYLE, GetWindowLong(this.Handle, GWL_STYLE) & ~WS_CAPTION)求咋样显示边框呢
public const int WS_CAPTION = 0xC00000;
[Flags]
public enum SetWindowPosFlags : uint
{
// ReSharper disable InconsistentNaming /// <summary>
/// If the calling thread and the thread that owns the window are attached to different input queues, the system posts the request to the thread that owns the window. This prevents the calling thread from blocking its execution while other threads process the request.
/// </summary>
SWP_ASYNCWINDOWPOS = 0x4000, /// <summary>
/// Prevents generation of the WM_SYNCPAINT message.
/// </summary>
SWP_DEFERERASE = 0x2000, /// <summary>
/// Draws a frame (defined in the window's class description) around the window.
/// </summary>
SWP_DRAWFRAME = 0x0020, /// <summary>
/// Applies new frame styles set using the SetWindowLong function. Sends a WM_NCCALCSIZE message to the window, even if the window's size is not being changed. If this flag is not specified, WM_NCCALCSIZE is sent only when the window's size is being changed.
/// </summary>
SWP_FRAMECHANGED = 0x0020, /// <summary>
/// Hides the window.
/// </summary>
SWP_HIDEWINDOW = 0x0080, /// <summary>
/// Does not activate the window. If this flag is not set, the window is activated and moved to the top of either the topmost or non-topmost group (depending on the setting of the hWndInsertAfter parameter).
/// </summary>
SWP_NOACTIVATE = 0x0010, /// <summary>
/// Discards the entire contents of the client area. If this flag is not specified, the valid contents of the client area are saved and copied back into the client area after the window is sized or repositioned.
/// </summary>
SWP_NOCOPYBITS = 0x0100, /// <summary>
/// Retains the current position (ignores X and Y parameters).
/// </summary>
SWP_NOMOVE = 0x0002, /// <summary>
/// Does not change the owner window's position in the Z order.
/// </summary>
SWP_NOOWNERZORDER = 0x0200, /// <summary>
/// Does not redraw changes. If this flag is set, no repainting of any kind occurs. This applies to the client area, the nonclient area (including the title bar and scroll bars), and any part of the parent window uncovered as a result of the window being moved. When this flag is set, the application must explicitly invalidate or redraw any parts of the window and parent window that need redrawing.
/// </summary>
SWP_NOREDRAW = 0x0008, /// <summary>
/// Same as the SWP_NOOWNERZORDER flag.
/// </summary>
SWP_NOREPOSITION = 0x0200, /// <summary>
/// Prevents the window from receiving the WM_WINDOWPOSCHANGING message.
/// </summary>
SWP_NOSENDCHANGING = 0x0400, /// <summary>
/// Retains the current size (ignores the cx and cy parameters).
/// </summary>
SWP_NOSIZE = 0x0001, /// <summary>
/// Retains the current Z order (ignores the hWndInsertAfter parameter).
/// </summary>
SWP_NOZORDER = 0x0004, /// <summary>
/// Displays the window.
/// </summary>
SWP_SHOWWINDOW = 0x0040, // ReSharper restore InconsistentNaming
} static readonly IntPtr HWND_TOP = new IntPtr(0);
//显示
private void button2_Click(object sender, EventArgs e)
{
SetWindowLong(this.Handle, GWL_STYLE, GetWindowLong(this.Handle, GWL_STYLE) | WS_CAPTION).ToString();
SetWindowPos(this.Handle, HWND_TOP, 0, 0, 0, 0, SetWindowPosFlags.SWP_NOMOVE | SetWindowPosFlags.SWP_NOSIZE | SetWindowPosFlags.SWP_FRAMECHANGED);
}
//隐藏
private void button3_Click(object sender, EventArgs e)
{
SetWindowLong(this.Handle, GWL_STYLE, GetWindowLong(this.Handle, GWL_STYLE) & ~WS_CAPTION).ToString();
SetWindowPos(this.Handle, HWND_TOP, 0, 0, 0, 0, SetWindowPosFlags.SWP_NOMOVE | SetWindowPosFlags.SWP_NOSIZE | SetWindowPosFlags.SWP_FRAMECHANGED);
}
donet做底层api的东西咋就这么少人研究啊..纠结
要不我才不这么费劲找资料了..
http://topic.csdn.net/u/20090820/11/1b30a514-17e7-403a-ae07-70c81e6ced47.html
话说我之前那个可以隐藏和显示 但是显示效果不好 程序的图标和最大化 最小化 关闭 三个按钮没有
谁知道怎么设置那个api的最后那个属性啊
现在结贴