/// <summary>
/// TabControl点击关闭
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MainTabControl_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)//鼠标左键点击事件
{
int x = e.X;
int y = e.Y;
Rectangle tabRect = this.MainTabControl.GetTabRect(this.MainTabControl.SelectedIndex);
tabRect.Offset(tabRect.Width - 0x12, 2);
tabRect.Width = 15;
tabRect.Height = 15;
if ((((x > tabRect.X) && (x < tabRect.Right)) && (y > tabRect.Y)) && (y < tabRect.Bottom))
{
this.MainTabControl.TabPages.Remove(this.MainTabControl.SelectedTab);
}
}
if (e.Button == MouseButtons.Right) //实现右键选中选项卡
{
for (int i = 0; i < MainTabControl.TabPages.Count; i++)
{
TabPage tp = MainTabControl.TabPages[i];
if (MainTabControl.GetTabRect(i).Contains(new Point(e.X, e.Y)))
{
MainTabControl.SelectedTab = tp;
break;
}
}
this.MainTabControl.ContextMenuStrip = this.contextMenuTabPage; //弹出菜单
}
}
private void MainTabControl_DragDrop(object sender, DragEventArgs e)
{
TabPage source = (TabPage)e.Data.GetData(typeof(TabPage));
SetCurrStatus($"MainTabControl_DragDrop：{source}");
if (source != null)
{
for (int i = 0; i < MainTabControl.TabPages.Count; i++)
{
if (MainTabControl.GetTabRect(i).Contains(e.X, e.Y))
{
//var tab = MainTabControl.TabPages[i];
//SetCurrStatus($"拖动开始：{MainTabControl.TabPages[i].Text}，AlowDrop：{tab.AllowDrop}");
//tab.DoDragDrop(e, DragDropEffects.Move);
if (MainTabControl.TabPages.IndexOf(source) != i)
{
e.Effect = DragDropEffects.Move;
TabAdapter.Swap(MainTabControl.TabPages.IndexOf(source), i);
SetCurrStatus($"拖动结束：{e.Data}");
return;
}
}
}
}
e.Effect = DragDropEffects.None;
}
private void MainTabControl_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
for (int i = 0; i < MainTabControl.TabPages.Count; i++)
{
if (MainTabControl.GetTabRect(i).Contains(new Point(e.X, e.Y)))
{
MainTabControl.SelectedIndex = i;
//var node = MainTabControl.TabPages[i].Tag as ITabPageNode;
//if(node != null)
//{
// SetCurrStatus($"Tab Page Data: {JsonConvert.SerializeObject(node)}");
//}
SetCurrStatus($"右键打开并操作：{MainTabControl.TabPages[i].Text}");
}
}
}
if (e.Button == MouseButtons.Left)
{
for (int i = 0; i < MainTabControl.TabPages.Count; i++)
{
if (MainTabControl.GetTabRect(i).Contains(e.Location))
{
var tab = MainTabControl.TabPages[i];
SetCurrStatus($"拖动开始：{tab.Text}");
tab.DoDragDrop(tab, DragDropEffects.All);
}
}
}
}
private void tabControlMain_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
Point p = e.Location;
Rectangle r = MainTabControl.GetTabRect(this.MainTabControl.SelectedIndex);
r.Offset(r.Width - iconWidth, 4);
r.Width = iconWidth;
r.Height = iconHeight;
if (this.MainTabControl.SelectedTab.Text == nodeMonitorView.Text)
{
return;
}
string tabText = this.MainTabControl.SelectedTab.Text;
if (r.Contains(p))
{
this.childList.Remove(tabText);
this.MainTabControl.TabPages.RemoveAt(this.MainTabControl.SelectedIndex);
}
//int x = e.X, y = e.Y;
////计算关闭区域
//Rectangle myTabRect = this.MainTabControl.GetTabRect(this.MainTabControl.SelectedIndex);
//myTabRect.Offset(myTabRect.Width - (CLOSE_SIZE + 3), 2);
//myTabRect.Width = CLOSE_SIZE;
//myTabRect.Height = CLOSE_SIZE;
////如果鼠标在区域内就关闭选项卡
//bool isClose = x > myTabRect.X && x < myTabRect.Right
// && y > myTabRect.Y && y < myTabRect.Bottom;
//if (isClose == true)
//{
// if (this.MainTabControl.SelectedTab.Text == nodeMonitorView.Text)
// {
// return;
// }
// string tabText = this.MainTabControl.SelectedTab.Text;
// this.childList.Remove(tabText);
// this.MainTabControl.TabPages.Remove(this.MainTabControl.SelectedTab);
//}
}
}
public TabPage GetClickedTab(MouseEventArgs e)
{
TabPage page = null;
try
{
page = MainTabControl.TabPages.Cast <TabPage>()
.Where((t, i) =>
MainTabControl.GetTabRect(i)
.Contains(e.Location)).First();
}
catch (Exception ex)
{
Logger.Log(ex.Message);
}
return(page);
}
private void MainTabControl_DragOver(object sender, DragEventArgs e)
{
TabPage source = (TabPage)e.Data.GetData(typeof(TabPage));
//SetCurrStatus($"MainTabControl_DragOver：{source}");
if (source != null)
{
for (int i = 0; i < MainTabControl.TabPages.Count; i++)
{
if (MainTabControl.GetTabRect(i).Contains(MainTabControl.PointToClient(new Point(e.X, e.Y))))
{
if (MainTabControl.TabPages.IndexOf(source) != i)
{
e.Effect = DragDropEffects.Move;
TabAdapter.Swap(MainTabControl.TabPages.IndexOf(source), i);
MainTabControl.SelectedTab = source;
SetCurrStatus($"拖动结束：{source.Text}");
return;
}
}
}
}
e.Effect = DragDropEffects.None;
}
private void tabControlMain_DrawItem(object sender, DrawItemEventArgs e)
{
try
{
Image icon = this.imageList1.Images[0];
Brush biaocolor = Brushes.Transparent; //选项卡的背景色
Graphics g = e.Graphics;
Rectangle r = MainTabControl.GetTabRect(e.Index);
if (e.Index == this.MainTabControl.SelectedIndex) //当前选中的Tab页，设置不同的样式以示选中
{
Brush selected_color = Brushes.Wheat; //选中的项的背景色
g.FillRectangle(selected_color, r); //改变选项卡标签的背景色
string title = MainTabControl.TabPages[e.Index].Text + " ";
g.DrawString(title, this.Font, new SolidBrush(Color.Black), new PointF(r.X, r.Y + 6));//PointF选项卡标题的位置
r.Offset(r.Width - iconWidth - 3, 2);
g.DrawImage(icon, new Point(r.X + 2, r.Y + 2));//选项卡上的图标的位置 fntTab = new System.Drawing.Font(e.Font, FontStyle.Bold);
}
else//非选中的
{
g.FillRectangle(biaocolor, r); //改变选项卡标签的背景色
string title = this.MainTabControl.TabPages[e.Index].Text + " ";
g.DrawString(title, this.Font, new SolidBrush(Color.Black), new PointF(r.X, r.Y + 6)); //PointF选项卡标题的位置
r.Offset(r.Width - iconWidth - 3, 2);
g.DrawImage(icon, new Point(r.X + 2, r.Y + 2)); //选项卡上的图标的位置
}
//Rectangle myTabRect = this.MainTabControl.GetTabRect(e.Index);
////先添加TabPage属性
//e.Graphics.DrawString(this.MainTabControl.TabPages[e.Index].Text
//, this.Font, SystemBrushes.ControlText, myTabRect.X + 2, myTabRect.Y + 2);
//myTabRect.Offset(myTabRect.Width - (CLOSE_SIZE + 3), 2);
//myTabRect.Width = CLOSE_SIZE;
//myTabRect.Height = CLOSE_SIZE;
////再画一个矩形框
//using (Pen p = new Pen(Color.Red))
//{
// // e.Graphics.DrawRectangle(p, myTabRect);
//}
////画关闭符号
//using (Pen objpen = new Pen(Color.DarkGray, 1.0f))
//{
// //"\"线
// Point p1 = new Point(myTabRect.X + 3, myTabRect.Y + 3);
// Point p2 = new Point(myTabRect.X + myTabRect.Width - 3, myTabRect.Y + myTabRect.Height - 3);
// e.Graphics.DrawLine(objpen, p1, p2);
// //"/"线
// Point p3 = new Point(myTabRect.X + 3, myTabRect.Y + myTabRect.Height - 3);
// Point p4 = new Point(myTabRect.X + myTabRect.Width - 3, myTabRect.Y + 3);
// e.Graphics.DrawLine(objpen, p3, p4);
//}
//e.Graphics.Dispose();
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}