C# WINFORM怎么加载本地地图API?

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//创建显示加载地图
PictureBox
pictureB1;
Label
lb1;
public
void
JiaZai_CheLoad()
{
int
tabcheight
=
int.Parse((this.tabControl1.Size.Height
/
2).ToString())-70;
int
tabwidth
=
int.Parse((this.tabControl1.Size.Width
/
2).ToString())-20;
pictureB1
=
new
PictureBox();
try
{
pictureB1.Image
=
Image.FromFile(Application.StartupPath
+
"\\Image\\indicator_medium.gif");
}
catch
{
}
pictureB1.Size
=
new
Size(48,
37);
pictureB1.Location
=
new
Point(tabwidth,
tabcheight);
lb1
=
new
Label();
lb1.AutoSize
=
false;
lb1.Font
=
new
System.Drawing.Font("宋体",
12.75F,
System.Drawing.FontStyle.Bold,
System.Drawing.GraphicsUnit.Point,
((byte)(134)));
lb1.Location
=
new
Point(tabwidth-40,
tabcheight+40);
lb1.Size
=
new
System.Drawing.Size(160,
17);
lb1.Text
=
"正在载入车辆....";
this.tabPage1.Controls.Add(pictureB1);
this.tabPage1.Controls.Add(lb1);
}