prog.cs(11,13): error CS0246: The type or namespace name `Bitmap' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(12,13): error CS0246: The type or namespace name `SaveFileDialog' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(13,13): error CS0841: A local variable `SFD' cannot be used before it is declared
prog.cs(14,13): error CS0246: The type or namespace name `ImageFormat' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(15,17): error CS0841: A local variable `SFD' cannot be used before it is declared
prog.cs(17,58): error CS0841: A local variable `SFD' cannot be used before it is declared
prog.cs(17,45): error CS1502: The best overloaded method match for `System.IO.Path.GetExtension(string)' has some invalid arguments
/usr/lib/mono/2.0/mscorlib.dll (Location of the symbol related to previous error)
prog.cs(17,45): error CS1503: Argument `#1' cannot convert `object' expression to type `string'
prog.cs(21,34): error CS0103: The name `ImageFormat' does not exist in the current context
prog.cs(21,25): error CS0841: A local variable `format' cannot be used before it is declared
prog.cs(24,34): error CS0103: The name `ImageFormat' does not exist in the current context
prog.cs(24,25): error CS0841: A local variable `format' cannot be used before it is declared
prog.cs(27,17): error CS0103: The name `Thread' does not exist in the current context
prog.cs(28,17): error CS0841: A local variable `bm' cannot be used before it is declared
Compilation failed: 14 error(s), 0 warnings