public static void LoadFunctions(this FieldInfo[] functions, IntPtr library, object target)
{
foreach (var field in functions)
{
string functionName = field.Name;
IntPtr functionAddress = DLLImporter.GetProcAddress(library, functionName);
var fieldType = field.FieldType;
field.SetValue(target, Marshal.GetDelegateForFunctionPointer(functionAddress, fieldType));
}
}
private void button1_Click_1(object sender, EventArgs e)
{
if (textBox2.TextLength > 0)
{
DialogResult result = System.Windows.Forms.DialogResult.Retry;
while ((_dllLibrary == IntPtr.Zero) && (result == System.Windows.Forms.DialogResult.Retry))
{
_dllLibrary = DLLImporter.LoadLibrary(textBox2.Text);
if (_dllLibrary != IntPtr.Zero)
{
// Load function address
_createMVL = DLLImporter.GetProcAddress(_dllLibrary, "MVL_Create");
_destroyMVL = DLLImporter.GetProcAddress(_dllLibrary, "MVL_Destroy");
_setParameterMVL = DLLImporter.GetProcAddress(_dllLibrary, "MVL_SetProperty");
_getParameterMVL = DLLImporter.GetProcAddress(_dllLibrary, "MVL_GetProperty");
_analyzeMVL = DLLImporter.GetProcAddress(_dllLibrary, "MVL_Analyze");
_getLastErrorMVL = DLLImporter.GetProcAddress(_dllLibrary, "MVL_GetLastError");
if ((_createMVL != IntPtr.Zero) && (_destroyMVL != IntPtr.Zero) &&
(_setParameterMVL != IntPtr.Zero) && (_getParameterMVL != IntPtr.Zero) &&
(_analyzeMVL != IntPtr.Zero))
{
CreateLibrary();
}
else
{
result = MessageBox.Show("Error occurred", "Retry",
MessageBoxButtons.RetryCancel);
if (result == System.Windows.Forms.DialogResult.Retry)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
textBox2.Clear();
textBox2.AppendText(openFileDialog1.FileName);
}
}
else
{
textBox2.Clear();
}
}
}
else
{
result = MessageBox.Show("Error occurred", "Retry",
MessageBoxButtons.RetryCancel);
if (result == System.Windows.Forms.DialogResult.Retry)
{
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
textBox2.Clear();
textBox2.AppendText(openFileDialog1.FileName);
}
}
else
{
textBox2.Clear();
}
}
}
}
}
